High-viscosity flame-retardant double-sided tape

Abstract

The utility model discloses a high-viscosity flame-retardant double-sided adhesive tape, which comprises a plurality of circles of adhesive tape bodies wound outside a support ring plate, each adhesive tape body comprises a base material layer, a first adhesive layer, a second adhesive layer and a release layer, the first adhesive layer is arranged on the lower surface of the base material layer, the second adhesive layer is arranged on the upper surface of the base material layer, and the release layer is arranged on the lower surface of the base material layer. The release layer is arranged on the upper surface of the second adhesive layer, the supporting ring plate is sleeved with a movable sleeve, a through opening is formed in the top of the movable sleeve in a penetrating mode, a movable abutting plate is arranged in the movable sleeve, a first spring is arranged on the inner bottom wall of the movable sleeve, the other end of the first spring is connected with the bottom of the movable abutting plate, and a fixed abutting plate is arranged on the inner top wall of the movable sleeve. The left side face of the fixed abutting plate is an arc-shaped face bent inwards, the bottom end of the arc-shaped face is in a blade shape, the top end of the arc-shaped face is connected with a through opening, and a cutting assembly is arranged at the through opening. According to the device, the end of the adhesive tape can be easily found and can also be protected, meanwhile, the cutting assembly can cut the adhesive tape, and operation is easy.

Description

Technical Field

[0001] This utility model relates to the field of double-sided tape technology, specifically high-adhesion flame-retardant double-sided tape. Background Technology

[0002] With the booming development of industry, the application of double-sided tape has become increasingly widespread. It is generally used in electrical, leather, nameplate, stationery, electronics, automotive trim fixing, footwear, papermaking, and handicraft adhesive positioning. Hot melt double-sided tape is mainly used in stickers, stationery, and office supplies. Oil-based double-sided tape is mainly used for high-adhesion applications such as leather goods, pearl cotton, sponge, and footwear. Embroidery double-sided tape is mainly used in computer embroidery.

[0003] However, during the use of double-sided tape, the outer wall of the tape is very smooth, making it difficult to find the ends. Furthermore, after the tape is pulled out, it needs to be cut with external tools, which is inconvenient. In particular, because the ends are exposed for a long time, and especially when improperly cut with external tools, the release paper layer and adhesive layer at the ends are prone to detachment, thus affecting the tape's adhesive strength. Therefore, we designed a high-adhesion flame-retardant double-sided tape to solve the above technical problems. Utility Model Content

[0004] The purpose of this invention is to provide a high-adhesion flame-retardant double-sided adhesive tape to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A high-adhesion flame-retardant double-sided adhesive tape includes a tape body wound in multiple turns around the outside of a support ring plate. The tape body comprises a substrate layer, a first adhesive layer, a second adhesive layer, and a release layer. The first adhesive layer is disposed on the lower surface of the substrate layer, the second adhesive layer is disposed on the upper surface of the substrate layer, and the release layer is disposed on the upper surface of the second adhesive layer. A movable sleeve is fitted onto the support ring plate. The movable sleeve has a fan-shaped structure, is hollow inside, and extends through the tape body from both sides. An opening is provided at the top of the movable sleeve for the end of the tape body to extend through. The movable sleeve is configured such that a movable abutment plate is slidably provided inside the movable sleeve, and multiple first springs are provided on the bottom wall of the movable sleeve. The other end of the first spring is connected to the bottom of the movable abutment plate. The movable abutment plate is located inside the support ring plate and abuts against the inner side wall of the support ring plate. A fixed abutment plate is provided on the top wall of the movable sleeve. The bottom of the fixed abutment plate abuts against the outer surface of the tape body. The left side of the fixed abutment plate is an inwardly curved arc surface. The bottom end of the arc surface is blade-shaped, and the top end of the arc surface is connected to the opening. A cutting component is provided at the opening.

[0007] As a preferred embodiment of this utility model: the cutting component includes a cutting blade, a sliding plate, a push button, a second spring, and a connecting block. A groove is provided on the inner wall of the right side of the opening. A sliding plate adapted to the groove is slidably disposed in the groove. Several second springs are fixedly connected to the bottom wall of the groove. The other end of the second spring is connected to the sliding plate. A cutting blade is provided on the surface of the sliding plate away from the second spring. A groove is provided on the top of the movable sleeve. The groove communicates with the inside of the groove. A connecting block adapted to the groove is slidably disposed in the groove. The bottom of the connecting block is connected to the top right end of the sliding plate. The top of the connecting block is connected to the bottom of the push button. The push button is slidably disposed on the top of the movable sleeve.

[0008] As a further preferred embodiment of this utility model: both the first adhesive layer and the second adhesive layer are flame-retardant adhesive layers, the flame-retardant adhesive layer is a solvent-based acrylic pressure-sensitive adhesive or a solvent-based epoxy resin adhesive, and the first adhesive layer and the second adhesive layer are filled with flame-retardant particles.

[0009] As a further preferred embodiment of this utility model: several limiting blocks are symmetrically provided on the front and rear surfaces of the movable abutment plate, and a limiting groove is provided on the inner side wall of the movable sleeve for the limiting blocks to slide into.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: Due to the elasticity of the first spring, the movable abutment plate always abuts against the inner wall of the support ring plate. Simultaneously, the bottom of the fixed abutment plate abuts against the outer surface of the tape body. When the end of the tape needs to be located, the movable sleeve can be pushed to move one full circle around the support ring plate and the outer side of the tape body. This movement can be clockwise or counterclockwise. The purpose is to bring the bottom of the arc-shaped surface into contact with the end of the tape. The blade-shaped bottom of the arc-shaped surface will lift the end, allowing it to pass through the arc-shaped surface and through the opening. Thus, the user can then... Select the appropriate length according to your needs, and then cut it using the cutting component. The cut surface is neat, the overall operation is simple, and no external tools are required. This avoids the situation where the end of the tape is hard to find in traditional use. In addition, when the tape is no longer needed, push the moving sleeve in the opposite direction so that the moving sleeve passes over the end of the tape again and stops. The fixed abutment plate presses against the end, and the presence of the first spring forms a moving abutment force to protect the end and prevent the release layer from separating from the adhesive layer at the end, which would affect the adhesive strength of the tape. This improves the tape's adhesion and enhances its practicality. Attached Figure Description

[0011] Figure 1 This is a front view of the overall structure of this utility model;

[0012] Figure 2 This is a perspective view of the movable sleeve in this utility model;

[0013] Figure 3This is a front sectional view of the movable sleeve in this utility model;

[0014] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0015] Figure 5 This is a schematic diagram of the structure of the tape body in this utility model.

[0016] Wherein: 1-substrate layer, 2-first adhesive layer, 3-second adhesive layer, 4-release layer, 5-tape body, 6-support ring plate, 7-moving sleeve, 8-push button, 9-slide groove, 10-through opening, 11-limiting groove, 12-moving abutment plate, 13-limiting block, 14-first spring, 15-fixed abutment plate, 16-arc surface, 17-second spring, 18-slide plate, 19-connecting block, 20-groove, 21-cutting blade. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. In the description of the present utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the present utility model based on the specific circumstances.

[0018] Please see Figure 1-5In this embodiment of the invention, the high-adhesion flame-retardant double-sided tape includes a tape body 5 wound around the outside of a support ring plate 6 in multiple turns. The tape body 5 includes a substrate layer 1, a first adhesive layer 2, a second adhesive layer 3, and a release layer 4. The first adhesive layer 2 is disposed on the lower surface of the substrate layer 1, the second adhesive layer 3 is disposed on the upper surface of the substrate layer 1, and the release layer 4 is disposed on the upper surface of the second adhesive layer 3. When the tape body 5 is wound around the outside of the support ring plate 6 in multiple turns, the first adhesive layer 2 located on the outer layer fits precisely against the outer surface of the release layer 4 located on the inner side. In use, the end is pulled out and cut to the required length. Compared with tapes that use release layers on both sides, this device saves more materials and reduces costs. A movable sleeve 7 is fitted on the support ring plate 6. The movable sleeve 7 is fan-shaped. The structure is as follows: the movable sleeve 7 is hollow inside and extends through the left and right sides. The top of the movable sleeve 7 has a through-hole 10 for the end of the tape body 5 to extend through. The tape body 5 is inserted through the movable sleeve 7. A movable abutment plate 12 is slidably installed inside the movable sleeve 7. Multiple first springs 14 are provided on the bottom wall of the movable sleeve 7. The other end of the first spring 14 is connected to the bottom of the movable abutment plate 12. The movable abutment plate 12 is located inside the support ring plate 6 and abuts against the inner side wall of the support ring plate 6. A fixed abutment plate 15 is provided on the top wall of the movable sleeve 7. The bottom of the fixed abutment plate 15 abuts against the outer surface of the tape body 5. The left side of the fixed abutment plate 15 is an inwardly curved arc surface 16. The bottom end of the arc surface 16 is blade-shaped. The top end of the arc surface 16 is connected to the through-hole 10. A cutting component is provided at the through-hole 10.

[0019] The cutting assembly includes a cutting blade 21, a sliding plate 18, a push button 8, a second spring 17, and a connecting block 19. A groove 20 is formed on the inner right side of the opening 10. A sliding plate 18 is slidably mounted within the groove 20. Several second springs 17 are fixedly connected to the bottom wall of the groove 20, with the other end of each spring connected to the sliding plate 18. The cutting blade 21 is located on the surface of the sliding plate 18 away from the second springs 17. A groove 9 is formed at the top of the movable sleeve 7, communicating with the interior of the groove 20. A connecting block 19 is slidably mounted within the groove 9, with its bottom connected to the top right end of the sliding plate 18. The top of the connecting block 19 is connected to the bottom of the push button 8, which is slidably positioned on the top of the movable sleeve 7. In use, the elastic force of the second spring 17 generates a squeezing force on the slide plate 18, thereby causing the cutting blade 21 to squeeze and cut the tape body 5 extending from the opening 10. If the elastic force of the second spring 17 is insufficient, the push button 8 can be manually pushed, thereby driving the slide plate 18 and the cutting blade 21 to squeeze and cut the tape body 5. In addition, during the process of pulling out the tape body 5, the push button 8 needs to be pushed in the opposite direction to retract the cutting blade 21 into the groove 20. This device does not require the use of external tools for cutting, making it more convenient to use.

[0020] Both the first adhesive layer 2 and the second adhesive layer 3 are flame-retardant adhesive layers, which are solvent-based acrylic pressure-sensitive adhesives or solvent-based epoxy resin adhesives. The first adhesive layer 2 and the second adhesive layer 3 are filled with flame-retardant particles, which can further improve the flame-retardant performance.

[0021] The movable abutment plate 12 has several limiting blocks 13 symmetrically arranged on its front and rear surfaces. The inner side wall of the movable sleeve 7 has a limiting groove 11 for the limiting blocks 13 to slide into. Through the cooperation and connection between the limiting groove 11 and the limiting blocks 13, the movement of the movable abutment plate 12 is guided and stabilized.

[0022] Specifically, due to the elasticity of the first spring 14, the movable abutment plate 12 is always in contact with the inner wall of the support ring plate 6. At the same time, the bottom of the fixed abutment plate 15 is in contact with the outer surface of the tape body 5. When it is necessary to find the end of the tape, the movable sleeve 7 can be pushed to move one full circle around the outside of the support ring plate 6 and the tape body 5. It can move clockwise or counterclockwise. The purpose is to make the bottom end of the arc-shaped surface 16 contact the end of the tape. The bottom end of the blade-shaped arc-shaped surface 16 will lift up the end, and the end will pass through the arc-shaped surface 16 and through the opening 10. Thus, the user can select the end according to their needs. The tape is cut to a suitable length using a cutting assembly, resulting in a clean cut. The overall operation is simple, requiring no external tools and avoiding the difficulty of finding the tape end in traditional applications. Furthermore, when the tape is no longer needed, the moving sleeve 7 is pushed in the reverse direction, causing it to pass over the tape end again and stop. The fixed abutment plate 15 presses against the end, and the elasticity of the first spring 14 forms a moving abutment force, protecting the end and preventing the release layer 4 from separating from the adhesive layer, which would affect the tape's adhesive strength. This improves the tape's adhesion and enhances its practicality.

[0023] It should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A high-adhesion flame-retardant double-sided adhesive tape, comprising a tape body (5) wound in multiple turns around the outside of a support ring plate (6); characterized in that: The tape body (5) includes a substrate layer (1), a first adhesive layer (2), a second adhesive layer (3), and a release layer (4). The first adhesive layer (2) is disposed on the lower surface of the substrate layer (1), the second adhesive layer (3) is disposed on the upper surface of the substrate layer (1), and the release layer (4) is disposed on the upper surface of the second adhesive layer (3). A movable sleeve (7) is fitted on the support ring plate (6). The top of the movable sleeve (7) has a through opening (10). The tape body (5) passes through the movable sleeve (7). A movable abutment plate (12) adapted to the movable sleeve (7) is slidably disposed inside the movable sleeve (7). The inner bottom wall is provided with multiple first springs (14), the other end of the first springs (14) is connected to the bottom of the movable abutment plate (12), the movable abutment plate (12) is located inside the support ring plate (6) and abuts against the inner side wall of the support ring plate (6), the inner top wall of the movable sleeve (7) is provided with a fixed abutment plate (15), the bottom of the fixed abutment plate (15) abuts against the outer surface of the tape body (5), the left side of the fixed abutment plate (15) is an inwardly curved arc surface (16), the bottom end of the arc surface (16) is blade-shaped, the top end of the arc surface (16) is connected to the opening (10), and the opening (10) is provided with a cutting component.

2. The high-adhesion flame-retardant double-sided adhesive tape according to claim 1, characterized in that: The cutting assembly includes a cutting blade (21), a sliding plate (18), a push button (8), a second spring (17), and a connecting block (19). A groove (20) is provided on the inner wall of the right side of the opening (10). A sliding plate (18) adapted to the groove (20) is slidably disposed in the groove (20). Several second springs (17) are fixedly connected to the bottom wall of the groove (20). The other end of the second spring (17) is connected to the sliding plate (18). A cutting blade (21) is provided on the side surface of the sliding plate (18) away from the second springs (17). A sliding groove (9) is provided on the top of the movable sleeve (7). The sliding groove (9) communicates with the inside of the groove (20). A connecting block (19) adapted to the groove (9) is slidably disposed in the sliding groove (9). The bottom of the connecting block (19) is connected to the top right end of the sliding plate (18). The top of the connecting block (19) is connected to the bottom of the push button (8).

3. The high-adhesion flame-retardant double-sided adhesive tape according to claim 2, characterized in that: The first adhesive layer (2) and the second adhesive layer (3) are both flame-retardant adhesive layers, which are solvent-based acrylic pressure-sensitive adhesives or solvent-based epoxy resin adhesives.

4. The high-adhesion flame-retardant double-sided adhesive tape according to claim 3, characterized in that: The movable abutment plate (12) has several limiting blocks (13) symmetrically arranged on its front and rear sides, and the inner side wall of the movable sleeve (7) has a limiting groove (11) for the limiting blocks (13) to slide into.

5. The high-adhesion flame-retardant double-sided adhesive tape according to claim 3, characterized in that: The first adhesive layer (2) and the second adhesive layer (3) are filled with flame retardant particles.

6. The high-adhesion flame-retardant double-sided adhesive tape according to claim 1, characterized in that: The movable sleeve (7) has a fan-shaped structure, and the interior of the movable sleeve (7) is hollow and extends through the left and right sides.

7. The high-adhesion flame-retardant double-sided adhesive tape according to claim 2, characterized in that: The push button (8) is slidably disposed on the top of the movable sleeve (7).

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